baber/WOPTO huggingface dataset:
Patent KR-20020011753-A (KR)
Title: High voltage semiconductor device having a high breakdown voltage isolation region
Inventor: JUN CHANG GI
IPC: H01L21/761
Filed: 2000-08-04
Abstract: PURPOSE: A high-voltage semiconductor device having a high-voltage isolation region is provided to improve reliability, by forming an n-type epitaxial layer and an n¬+ type buried layer so that an impact ionization occurs in the n¬+ type buried layer earlier than in the surface area of the device. CONSTITUTION: An epitaxial layer(402) of the second conductivity type is formed on a semiconductor substrate(401) of the first conductivity type. The first diffusion region of the first conductivity type is formed in a high-voltage region and a high-voltage isolation region. A buried layer of the second conductivity type is formed in a high-voltage metal-oxide-semiconductor(MOS) transistor and between the substrate and the epitaxial layer. A source region of the first conductivity type is formed on the buried layer, separated from the buried layer. A drain region of the first conductivity type is formed on the epitaxial layer, separated from the source region. A resistor element transmits the signal from the high-voltage MOS transistor to a low-voltage region, formed in the low-voltage region. A gate insulation layer(410) is formed on the channel region formed on the epitaxial layer of the high-voltage MOS transistor. A gate electrode(411) is formed on the gate insulation layer. A source electrode(412) is in contact with the source region. A drain electrode(413) is connected to the resistor element through the high-voltage isolation region, and is in contact with the drain region.
Patent KR-20020012683-A (KR)
Title: Load sensing proportioning valve for rear brake of vehicle
Inventor: CHOI JAE YEONG
IPC: B60T8/00
Filed: 2000-08-08
Abstract: PURPOSE: A load sensing proportional valve for a rear brake of a vehicle is provided to minimize errors of performance by keeping the constant elastic force of a spring after installing the load sensing proportional valve, and to install conveniently by setting the elastic force of the spring without an additional jig. CONSTITUTION: A load sensing proportional valve of a rear brake is composed of a valve body(12) combined with a vehicle body to regulate pressure of a rear brake; a turning lever(13) combined with the valve body to turn; a spring(15) supported by the turning lever and the rear wheel with the elastic force; a guide rod(16) combined with a fixing member(14) inserted to the turning lever to move back and forth, and combined with the rear wheel to support the spring; and a setting pin(20) assembled with the guide rod to fix the guide rod and the spring in the turning lever, and released in assembling the guide rod with the fixing member. The elastic force of the compression spring is adjusted conveniently with mounting the valve after adjusting the elastic force, and errors are reduced with keeping the constant elastic force of the compression spring after mounting the valve. The valve is installed conveniently with assembling the guide rod and the spring with by the turning lever through the setting pin.
Patent KR-20020015742-A (KR)
Title: Process for Preparing Aspartame Precursors Using Proteases
Inventor: AHN JEONG EUN
IPC: C12P21/02
Filed: 2000-08-23
Abstract: PURPOSE: Provided is a preparation method of aspartame precursor using proteinase, to manufacture biologically active peptides for food additives. CONSTITUTION: The method comprises the steps of: mixing derivatives of L-aspartic acid such as N-CBZ-L-Asp, N-Ac-L-Asp, N-Boc-L-Asp or N-Fmoc-L-Asp and L-phenylalanine methyl ester in a mole ratio of 1;0.1-0.9 at 0-90deg.C for 5-30 minutes and reacting them by adding 5-50%(w/w to the mixture) of adjuvant, to obtain an eutectic mixture having lower melting point, and treating the eutectic mixture with 5-20wt.% of protein hydrolase to manufacture aspartame precursor. At least one of the above adjuvant is selected from water, formaldehyde, dimethylsulfoxide (DSMO), 2-methoxyethylacetate (MEA), chloroform and hexane. The hydrolase used are chosen from thermolysin, α -chymotrypsin, subtilisin Carlsberg, papain, fungal protease or pepsin..
Patent KR-20020025486-A (KR)
Title: Via hole plug with reduced contact resistance and method thereof
Inventor: KIM JUN
IPC: H01L21/28
Filed: 2000-09-29
Abstract: PURPOSE: A via-hole plug for reducing a contact resistance and a method for forming the same are provided to reduce a lower contact resistance by increasing a contact area between a via-hole plug and a lower metal layer. CONSTITUTION: A diffusion barrier(310), the first conductive aluminium layer(320), a titanium nitride layer(330), the second conductive aluminium layer(340), a titanium nitride layer(350), and a silicon oxide layer(360) are sequentially formed on a semiconductor substrate(300). The titanium nitride layer(330) is used as an etch stop layer for controlling an etching depth. A photoresist mask is formed on the silicon oxide layer(360). The first opening is formed by etching the silicon oxide layer(360) and the titanium nitride layer(350). The second opening is formed by etching the first conductive aluminium layer(340). The third opening is formed by etching partially the titanium nitride layer(330) corresponding to the first opening. A double layer(410) is deposited on an upper portion and a sidewall of the silicon oxide layer(360) and a bottom and a sidewall of the third opening. A via-hole plug(420) is formed by depositing a metal and etching the deposited metal.
Patent KR-20020028519-A (KR)
Title: Spacer spraying apparatus for fabricating liquid crystal display
Inventor: LEE HYEON SEOP
IPC: G02F1/136
Filed: 2000-10-10
Abstract: PURPOSE: A spacer diffusion device for fabricating an LCD device is provided to install a spacer or an ion generator for supplying an icon neutralizing a chamber inner wall, to easily detach the spacer attached to the chamber inner wall during a spacer diffusion work, so as to easily clean a chamber as well as stabilizing the diffusion atmosphere of the chamber after cleaning. CONSTITUTION: A feeder(30) supplies a spacer. A milling pipe(20) is installed with an electrostatic box(24) for milling the spacer into particles and charging the spacer. A spacer diffusion work is performed in a diffusion chamber(10). A controller controls the whole operations. The feeder(30) includes a roll(32) having a micro groove on a side of a metal cylinder. A spacer is filled in the groove of the roll(32). The milling pipe(20) is connected to the feeder(30) and the diffusion chamber(10). The electrostatic box(24) charges the spacer to "plus". A spacer intensity sensor(22) is installed in the milling pipe(20) to measure the amount of the spacer.
Patent KR-20010067348-A (KR)
Title: Black expander for minimizing flickering of screen, and method there-of
Inventor: HWANG IN JUN
IPC: H04N5/20
Filed: 2000-10-26
Abstract: PURPOSE: A black expanding device for reducing the flickering of an image and a method for the same are provided to vary the range of the black expand in the image by minimizing the flickering of the image. CONSTITUTION: A black expanding device comprises a minimum/maximum value outputting section(30) and an adaptive black expanding section(50). The minimum/maximum value outputting section(30) receives an image signal and extracts the minimum/maximum value of the image signal as a field minimum value and a field maximum value. The adaptive black expanding section(50) calculates a turning point for determining the period to be black-expanded by using the field minimum value and the field maximum value. In addition, the adaptive black expanding section(50) obtains the first gradient by using the field minimum value and the turning point. The adaptive black expanding section(50) selects one of the first and second gradients based on the dynamic range of the image signal and black-expands the received image signal based on the selected gradient.
Patent KR-20020035723-A (KR)
Title: Method for selecting rach in cdma mobile communication system
Inventor: KIM GYU UNG
IPC: H04B7/26
Filed: 2000-11-08
Abstract: PURPOSE: A method for allocating RACHs(Random Access CHannels) in a CDMA mobile system is provided to minimize a collision of RACHs by efficiently managing and using RACHs. CONSTITUTION: An RRC(Radio Resource Control) layer in a base station drives a timer in order to check whether a required time elapses(310). The RRC layer monitors an access attempts for each usable RACH(312). While monitoring an access attempts for each usable RACH, the RRC layer checks whether the required time elapsed(314). In case that it is judged that the required time elapsed, the RRC layer stops the driving of the timer(316). Then the RRC layer sets up the status information of each usable RACH(318). If status information setup is completed for all usable RACHs, the RRC layer provides all the settled status information to a physical layer(320).
Patent KR-20020036123-A (KR)
Inventor: KIM GI BAE
IPC: B22D41/00
Filed: 2000-11-08
Abstract: PURPOSE: An apparatus for continuous elimination of inclusions in Al alloy by applying direct current to aluminum melt stream while applying direct electromagnetic field vertical to the direction of direct current is provided. CONSTITUTION: The apparatus comprises a tilting furnace(109) for melting aluminum; an electromagnet separation zone for applying electromagnetic field to above aluminum melt(101); a protection furnace guiding the aluminum melt from the tilting furnace to the electromagnet separation zone; a tungsten electrode placed between the electromagnet separation zone and the protection furnace to induce direct current(102); an electromagnet(104) applying the direct electromagnetic field(103) vertically to the direction of current generation; and a teeming hole(120) formed at the end of the electromagnet separation zone to discharge aluminum melt after purification by electromagnetic power.
Patent KR-20020036498-A (KR)
Title: Chiller of Rubber Mixing Machine
Inventor: CHOI JI HAN
IPC: B01F15/06
Filed: 2000-11-10
Abstract: PURPOSE: Provided is a cooling device of rubber mixer having a function for spontaneously and variably adjusting the cooling of rubber mixture mixed in the mixer, and an increased mixing efficiency. CONSTITUTION: In the rubber mixer, steam source(2) having valve(1) is connected to the first heat exchanger(3); coolant source(5) having valve(4) is connected to the second heat exchanger(7) which is in turn connected to water-returning part(6); and the second heat exchanger(7) is connected to the first heat exchanger in series, which is in turn connected to mixer(8) by feed line(9). Also, the second heat exchanger(7) is parallel connected to the coolant source(5) and an auxiliary coolant source(11) having valve(10), and the mixer(8) is equipped with a controller(13) controlling a temperature of thermostat(12).
Patent KR-20020037496-A (KR)
Title: method for forming bit line
Inventor: YOO HYEOK JUN
IPC: H01L21/28
Filed: 2000-11-14
Abstract: PURPOSE: A method for fabricating a bit line is provided to prevent a metal silicide layer from being laterally etched by over-etch in forming the bit line. CONSTITUTION: An oxide layer(32) is formed on a semiconductor substrate(31), and a contact hole is formed. A polysilicon plug(33) is formed inside the contact hole. An interlayer dielectric(34) is formed on the entire surface of the semiconductor substrate including the polysilicon plug. The interlayer dielectric and the polysilicon plug are selectively etched to form a contact hole. A barrier metal layer(37) is formed on the entire surface of the semiconductor substrate including the contact hole. A metal silicide layer(38) is formed on the interface between the barrier metal layer and the polysilicon plug. A tungsten layer is formed on the entire surface of the semiconductor substrate. The tungsten layer and the barrier metal layer are selectively removed to form the bit line(39a).
Patent KR-20020038426-A (KR)
Title: Screw type dehydration apparatus
Inventor: BYUN SANG CHEOL
IPC: B30B9/00
Filed: 2000-11-17
Abstract: PURPOSE: A screw type dehydrating device is provided to enhance automatic cleaning and lengthen life span of a driving device and a moving plate. CONSTITUTION: A screw type dehydrating device includes a casing(10), a separating device(20), a screw(30) and a moving plate driving device(40). The casing(10) is formed at one side thereof with a supplying section(11) and the other side thereof with a discharging section(12). Supporting plates(13,13') are installed at an inner portion of the casing(10). A water collecting section(14) is formed at a lower center portion of the casing(10). The separating device(20) has a plurality of fixing plates(21) and moving plates(22). A perforation hole is formed in the fixing plate(21), and a perforation hole larger than the perforation hole is formed in the moving plate(22). A gap is formed between the fixing plate(21) and the moving plate(22) so as to discharge water to the exterior.
Patent KR-20020042355-A (KR)
Title: Seat belt buckle assy of vehicle
Inventor: KIM YUN SEOP
IPC: B60R22/00
Filed: 2000-11-30
Abstract: PURPOSE: A seat belt and buckle assembly for an automobile is provided to enhance the safety of passengers by enabling a buckle member, a rod member and a rod mounting bracket member to be resiliently moved in a direction of loosening the seat belt to a small degree upon collision of the vehicle. CONSTITUTION: A seat belt and buckle assembly for an automobile comprises a buckle member(11), a rod member(12), and a rod housing member(13). The rod member(12) is installed to be movable through a through-hole(13a) formed in the rod housing member(13) such that a tip end of the rod member(12) is extended into the rod housing member. The tip end of the rod member(12) is fitted into a rod mounting bracket member(14) having a greater cross-sectional area than that of the tip end of the rod member. The rod mounting bracket member(14) is moved upwardly or downward within the rod housing member(13) when the rod member is moved. A resilient member(15) is installed within the rod housing member(13) such that the resilient member is rest at its one end against an upper inner surface of the rod housing member(13) and is rest its other end against an upper surface of the rod mounting bracket member(14).
Patent KR-20020045097-A (KR)
Title: Structure for mounting a towing hook cap
Inventor: LEE JIN HO
IPC: B60D1/00
Filed: 2000-12-07
Abstract: PURPOSE: Structure for combining a towing hook cap is provided to conveniently install or remove a hook cap body and to prevent damage of a surface of a bumper cover. CONSTITUTION: Towing hook cap combing structure comprises a hinge groove formed on a bumper cover(1); a hinge piece(110) integrally mounted on an inner portion of a hook cap body(100); a fixing piece(120) elastically fixed on an inner portion of a through hole(1a) of the bumper cover; and a supporting piece(130) preventing the hook cap body from being separated by being inserted to the inner portion of the through hole of the bumper cover. The fixing piece is integrally formed with the supporting piece on both sides of the inner portion of the hook cap body. Thereby, the structure for combining the towing hook cap conveniently installs or removes the hook cap body by rotationally fixing the hook cap body on a through hole of the bumper cover.
Patent KR-20020046385-A (KR)
Title: The power input unit for using both AC and DC
Inventor: KIM HYEON JUN
IPC: H02J7/00
Filed: 2000-12-13
Abstract: PURPOSE: A power supply device for using both AC(alternating current) and DC(direct current) is provided to apply power to an instrument regardless of AC/DC input power by making an AC/DC converting unit and a DC/DC converting unit separable. CONSTITUTION: An AC/DC converting unit(100) includes a line filter unit(101) which reduces an electromagnetic wave noise involved in an AC input power, a rectification unit(102) which converts the filtered AC signal into a DC signal, a transformer unit(103) which transforms the converted DC signal into a DC voltage, and a PWM(pulse width modulation) control unit(104) which controls the transformer unit(103). A DC/DC converting unit(200) includes a line filter unit(201) which reduces an electromagnetic wave noise involved in a DC input power, a driving power output unit(202) which outputs a driving power from the filtered DC signal, a PWM control unit(203) which controls the driving power output unit(202), and an output voltage control unit(204) which controls a voltage value of the output DC signal. The DC/DC converting unit(200) is combined separably with the AC/DC converting unit(100).
Patent KR-20020046420-A (KR)
Title: apparatus for inquiring standing using a fingerprint recognition apparatus and method for inquiring thereof
Inventor: KIM BO CHAN
IPC: G06K9/00
Filed: 2000-12-14
Abstract: PURPOSE: A mobile device for inquiring an identity using a fingerprint recognition device and a method thereof are provided to simplify an identity checking procedure and decrease a damage caused by a loss or a burglar of an identification card. CONSTITUTION: A fingerprint recognition unit(1) receives a fingerprint signal of a suspicious person. A central control unit(2) receives the fingerprint signal inputted in the fingerprint recognition unit(1) and converts the transmitted fingerprint signal into digital data. A fingerprint information coding unit(5) receives the digital data from the central control unit(2) and converts the central control unit(2) into a stipulated code. A terminal unit(3) inputs personal information with respect to the suspicious person besides the fingerprint. A coded information transmitting unit(7) receives the codes fingerprint information and the personal information of the suspicious person inputted through the terminal unit(3). A monitor unit(4) outputs an identity of the inquired suspicious person.
Patent KR-20020048554-A (KR)
Title: High speed transmission apparatus using power-line
Inventor: KANG SANG JIN
IPC: H04B3/54
Filed: 2000-12-18
Abstract: PURPOSE: A superhigh-speed transmission apparatus using a power line is provided to construct a multi-function transmission/reception set-top box having a telephone network system and a network function and offer the environment integrating multi-service applications, thereby capable of providing a superhigh-speed service. CONSTITUTION: A power dividing unit(10) receives power including data and audio signal from an outlet, then divides the power and outputs the divided power to the respective devices requesting the power. A high voltage removing unit(20) removes the power of high voltage from the divided power and the outputs audio and data signal. An audio/data separation unit(30) separates the audio and data signal received from the high voltage removing unit(20). A switching unit(40) switches the audio signal received from the audio/data separation unit(30) and then transmits the audio signal to a subscriber unit. A routing unit(50) routes the data received from the audio/data separation unit(30) and then transmits the data to a home network input unit.
Patent KR-20020049571-A (KR)
Title: Heat Exhaustion Structure of Fuse and Relay Box for Vehicles
Inventor: JUNG YONG UK
IPC: B60R16/02
Filed: 2000-12-19
Abstract: PURPOSE: A heat radiation structure is provided to prevent various electrical components in a fuse and relay box from being degraded functionally by rapidly radiating heat generated from the electrical components to the outside of the box. CONSTITUTION: A fuse and relay box includes an upper cover(1), a main block portion and a lower cover. Various electrical components are installed in the main block portion. External wires are connected to the electrical components through the lower cover. Heat is generated from various electrical components in the fuse and relay box. A heat radiation structure is provided for radiating the heat to the outside. The heat radiation structure comprises a flexible hose(6) and heat absorbing plates(7). The flexible hose(6) is connected to one side of the upper cover(1) at one end thereof and connected to an air inlet duct(5) of an air cleaner at the other end thereof. The heat absorbing plates(7) are installed inside the upper cover(1) such that they are spaced from each other at regular intervals.
Patent KR-20020056776-A (KR)
Title: Apparatus for inputting keys in a portable communication terminal and method thereof
Inventor: HUH YUN DO
IPC: H04B1/38
Filed: 2000-12-29
Abstract: PURPOSE: A key input unit of a mobile communication terminal and a mode switching method using a speed key are provided to reducing the number of function keys and simplify a key manipulation for a voice control by installing a single speed key for a voice control key which has been implemented as two functional keys, and reduce the number of function keys through a function diversification of keys by performing a manner mode, a phone locking mode by using one mode switching speed key. CONSTITUTION: A controller(10) controls a general operation of a mobile communication terminal. A memory(20) stores a program for controlling a general operation of the terminal and stores a data inputted and output when the general operation of the terminal is performed by the controller(10) in a certain area. A duplexer(30) performs a communication with a base station through an antenna(AT) and separates a transmitted/received signal. A receiving unit(40) receives a radio signal inputted through the antenna(AT), receives the radio signal separated by the duplexer(30), amplifies a weak signal and filters and outputs it. A transmitting unit(50) filters a radio signal output from an audio unit(60), amplifies it and transmits through the antenna(AT) after passing the duplex(30). An audio unit(60) modulates a voice signal inputted through a microphone(MIC) into a radio signal, demodulates the radio signal received through the receiving unit(40) and transmits it as a voice signal to a speaker(SP). The audio unit(60) also senses a ring signal through the receiving unit(40) and transmits it through a ringer when the ring signal is generated from a base station. A display unit(80) includes an LCD(Liquid Crystal Display) for displaying various information, is controlled by the controller(10), receives a key data generated from a key input unit(70) and various information signals of the controller(10) and displays them.
Patent KR-20020056804-A (KR)
Inventor: JIN SANG HEON
IPC: H04M3/22
Filed: 2000-12-29
Abstract: PURPOSE: An in-band signal output method for a toll exchange is provided to offer a method for outputting the in-band signal, thereby capable of using the toll exchange in the region using the in-band. CONSTITUTION: In an incoming call, a wait state is maintained(step 10). An occupation signal is output during a predetermined time(200ms)(step 11). If there is a response during a predetermined time(195ms)(step 12), it is recognized as a subscriber free and then a ring request signal is output during a predetermined time(200ms) as an arbitrary interval(100ms)(step 13). If a signal is inputted during a predetermined time(200ms) with a predetermined interval(100ms), it is recognized as a subscriber's busy and then the connection is finished(step 14). After maintaining a signal input during a predetermined time as a response(step 15), if a signal input is maintained during a predetermined time(200ms) with an arbitrary interval(100ms)(step 16), it is recognized as a clear back according to the subscriber's free control and then a cancel detection signal is output till over the predetermined time(550-850ms)(step 17). If there is a signal input during a predetermined time(650ms), a relay operation is cancelled(step 18).